TWI666327B - Water-cooled nozzle - Google Patents

Water-cooled nozzle Download PDF

Info

Publication number
TWI666327B
TWI666327B TW107112582A TW107112582A TWI666327B TW I666327 B TWI666327 B TW I666327B TW 107112582 A TW107112582 A TW 107112582A TW 107112582 A TW107112582 A TW 107112582A TW I666327 B TWI666327 B TW I666327B
Authority
TW
Taiwan
Prior art keywords
nozzle
outer cylinder
temperature
bare metal
blowing
Prior art date
Application number
TW107112582A
Other languages
English (en)
Chinese (zh)
Other versions
TW201842193A (zh
Inventor
山田義博
田村鐵平
Original Assignee
日商新日鐵住金股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日商新日鐵住金股份有限公司 filed Critical 日商新日鐵住金股份有限公司
Publication of TW201842193A publication Critical patent/TW201842193A/zh
Application granted granted Critical
Publication of TWI666327B publication Critical patent/TWI666327B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4646—Cooling arrangements
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/4606—Lances or injectors
    • C21C2005/4626—Means for cooling, e.g. by gases, fluids or liquids

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Nozzles (AREA)
TW107112582A 2017-04-13 2018-04-12 Water-cooled nozzle TWI666327B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017079573 2017-04-13
JP2017-079573 2017-04-13

Publications (2)

Publication Number Publication Date
TW201842193A TW201842193A (zh) 2018-12-01
TWI666327B true TWI666327B (zh) 2019-07-21

Family

ID=63792588

Family Applications (1)

Application Number Title Priority Date Filing Date
TW107112582A TWI666327B (zh) 2017-04-13 2018-04-12 Water-cooled nozzle

Country Status (5)

Country Link
JP (1) JP6733812B2 (ja)
KR (1) KR20190062475A (ja)
CN (1) CN110177888A (ja)
TW (1) TWI666327B (ja)
WO (1) WO2018190283A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7417086B2 (ja) * 2020-03-19 2024-01-18 日本製鉄株式会社 上吹きランスの冷却方法、上吹きランスの冷却装置及び上吹きランス設備

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62218510A (ja) * 1986-03-18 1987-09-25 Nippon Kokan Kk <Nkk> 酸素吹錬ランス
JP2013057104A (ja) * 2011-09-08 2013-03-28 Nippon Steel & Sumitomo Metal Corp 転炉吹錬時における酸素上吹きランスへの地金の付着防止方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS589906A (ja) 1981-07-08 1983-01-20 Akira Yamamoto 銅製ジヤケツト
JPH0488108A (ja) * 1990-07-30 1992-03-23 Nkk Corp 転炉吹錬用ランス
JPH08157927A (ja) * 1994-12-02 1996-06-18 Kawasaki Heavy Ind Ltd 製鋼用ランス
US5885323A (en) * 1997-04-25 1999-03-23 Ltv Steel Company, Inc. Foamy slag process using multi-circuit lance
DE602005015575D1 (de) * 2004-05-14 2009-09-03 Linde Inc Feinen von schmelzflüssigem metall
CN1330777C (zh) * 2005-07-28 2007-08-08 天津钢铁有限公司 转炉氧枪的水冷装置
CN102605135A (zh) * 2012-03-21 2012-07-25 沈阳东冶汉森冶金装备有限公司 一种带有表面涂层的转炉锥体氧枪

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62218510A (ja) * 1986-03-18 1987-09-25 Nippon Kokan Kk <Nkk> 酸素吹錬ランス
JP2013057104A (ja) * 2011-09-08 2013-03-28 Nippon Steel & Sumitomo Metal Corp 転炉吹錬時における酸素上吹きランスへの地金の付着防止方法

Also Published As

Publication number Publication date
JP6733812B2 (ja) 2020-08-05
TW201842193A (zh) 2018-12-01
WO2018190283A1 (ja) 2018-10-18
CN110177888A (zh) 2019-08-27
JPWO2018190283A1 (ja) 2019-06-27
KR20190062475A (ko) 2019-06-05

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MM4A Annulment or lapse of patent due to non-payment of fees